Av Amplifier

4. The AV amplifier according to claim 2, wherein the control unit is configured to control the switching unit so as to output, to the server interface unit, the digital data input to the input unit when the communication state discrimination unit determines that the input state of the multi-channel audio signal being input from the server by the server interface unit has returned to a satisfactory state after the communication state discrimination unit has determined that the input state of the audio signal being input from the server by the server interface unit has deteriorated and the switching unit has been controlled so as to output, to the DSP, the digital data input to the input unit.

6. The AV amplifier according to claim 1, further comprising a monitor output unit for outputting video data to a monitor.

7. The AV amplifier according to claim 1, wherein each speaker includes at least a L-channel speaker and a R-channel speaker.

8. The AV amplifier according to claim 1, wherein the operation unit is configured to receive an end reproduction instruction.

9. The AV amplifier according to claim 8, wherein the control unit monitors whether or not the end reproduction instruction has been received by the operation unit.

10. The AV amplifier according to claim 1, wherein the server stores in advance a program for processing digital data as a specific channel number, multi-channel signal.

11. The AV amplifier according to claim 1, wherein each speaker is a network speaker, and wherein the audio signal is transmitted to each speaker from the server interface unit.

12. The AV amplifier according to claim 1, wherein each speaker is compatible with short-range wireless communication, and wherein the audio signal is transmitted to each speaker from the server interface unit.